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13054799492 = 227597902421
BaseRepresentation
bin11000010100010000…
…00110111010000100
31020200210220112020022
430022020012322010
5203214012040432
65555225354312
7641336651630
oct141210067204
936623815208
1013054799492
11559a104099
122644038998
13130084a837
148bbb51dc0
15516178b12
hex30a206e84

13054799492 has 24 divisors (see below), whose sum is σ = 26552137920. Its totient is φ = 5500084320.

The previous prime is 13054799491. The next prime is 13054799543. The reversal of 13054799492 is 29499745031.

It is not an unprimeable number, because it can be changed into a prime (13054799491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949559 + ... + 3952862.

It is an arithmetic number, because the mean of its divisors is an integer number (1106339080).

Almost surely, 213054799492 is an apocalyptic number.

It is an amenable number.

13054799492 is an abundant number, since it is smaller than the sum of its proper divisors (13497338428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13054799492 is a wasteful number, since it uses less digits than its factorization.

13054799492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902491 (or 7902489 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 13054799492 in words is "thirteen billion, fifty-four million, seven hundred ninety-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 7902421 15804842 31609684 55316947 110633894 221267788 466242839 932485678 1864971356 3263699873 6527399746 13054799492